{"id":"CLSA-2026-1785422875","summary":"nginx: Fix of CVE-2026-42946","details":"- CVE-2026-42946: fix buffer over-read and excessive memory allocation in\n  ngx_http_scgi_module and ngx_http_uwsgi_module when an upstream server\n  returns an unrecognized status line; reset r-\u003estate before falling back to\n  header parsing so the header parser no longer resumes from a status-line\n  state and reads through an uninitialized r-\u003eheader_name_start, and reuse\n  r-\u003eheader_name_start to backtrack the buffer position for status lines\n  split across reads","modified":"2026-10-26T09:30:29.695805127Z","published":"2026-07-30T14:48:07Z","upstream":["CVE-2026-42946"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1785422875.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42946"}],"affected":[{"package":{"name":"nginx","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-all-modules","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-all-modules?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-core","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-core?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-filesystem","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-filesystem?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-mod-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-mod-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-mod-http-image-filter","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-mod-http-image-filter?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-mod-http-perl","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-mod-http-perl?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-mod-http-xslt-filter","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-mod-http-xslt-filter?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-mod-mail","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-mod-mail?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}},{"package":{"name":"nginx-mod-stream","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/nginx-mod-stream?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.20.1-14.el9_2.1.alma.1.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1785422875.json"}}],"schema_version":"1.9.0"}